diff options
Diffstat (limited to 'kernel/profile.c')
| -rw-r--r-- | kernel/profile.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/profile.c b/kernel/profile.c index 99513e1160e5..c2199e9901c9 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -44,7 +44,7 @@ int prof_on __read_mostly; EXPORT_SYMBOL_GPL(prof_on); static cpumask_var_t prof_cpu_mask; -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(CONFIG_PROC_FS) static DEFINE_PER_CPU(struct profile_hit *[2], cpu_profile_hits); static DEFINE_PER_CPU(int, cpu_profile_flip); static DEFINE_MUTEX(profile_flip_mutex); @@ -59,6 +59,7 @@ int profile_setup(char *str) if (!strncmp(str, sleepstr, strlen(sleepstr))) { #ifdef CONFIG_SCHEDSTATS + force_schedstat_enabled(); prof_on = SLEEP_PROFILING; if (str[strlen(sleepstr)] == ',') str += strlen(sleepstr) + 1; @@ -201,7 +202,7 @@ int profile_event_unregister(enum profile_type type, struct notifier_block *n) } EXPORT_SYMBOL_GPL(profile_event_unregister); -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(CONFIG_PROC_FS) /* * Each cpu has a pair of open-addressed hashtables for pending * profile hits. read_profile() IPI's all cpus to request them |